October marks Down Syndrome Awareness Month, a dedicated period to foster greater understanding, celebrate the lives of individuals with Down syndrome, and advocate for their inclusion in all aspects ...

Please enable JavaScript to read this content. Down Syndrome is a genetic disorder caused by abnormal cell division during the early stages of the development of the ...

Mosaic Down syndrome has some cells with three copies of chromosome 21, and some with two instead of all three. Only about 1% to 2% of people with Down syndrome have mosaic Down syndrome. The severity ...